The Osprey is a 17.5ft fractional sloop designed by Ian Proctor and built in wood or fiberglass by Hartley Boats since 1952.
900 units have been built.
The Osprey is an ultralight sailboat which is a very high performer. It is reasonably stable / stiff and has a low righting capability if capsized. It is best suited as a racing boat.
Main features
| Model | Osprey | ||
| Length | 17.50 ft | ||
| Beam | 5.83 ft | ||
| Draft | 0.50 ft | ||
| Country | New Zealand | ||
| Estimated price | $ 0 | ?? | 
Ratios
| Sail area / displ. | 54.21 | ||
| Ballast / displ. | 0 % | ||
| Displ. / length | 26.81 | ||
| Comfort ratio | 2.54 | ||
| Capsize | 3.50 | 
Hull
| Hull type | Centerboard Dinghy | ||
| Construction | Wood or fiberglass | ||
| Waterline length | 17 ft | ||
| Maximum draft | 4.83 ft | ||
| Displacement | 295 lbs | ||
| Ballast | 0 lbs | ||
| Hull speed | 5.52 knots | 
Rigging
| Rigging | Fractional Sloop | ||
| Sail area (100%) | 150 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 0 sq.ft | ?? | |
| Sail area main | 0 sq.ft | ?? | |
| I | 0 ft | ?? | |
| J | 0 ft | ?? | |
| P | 0 ft | ?? | |
| E | 0 ft | ?? | 
Engine
| Nb engines | 1 | ||
| Total power | 0 HP | ||
| Fuel capacity | 0 gals | 
Accommodations
| Water capacity | 0 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 | 
Builder data
| Builder | Hartley Boats | ||
| Designer | Ian Proctor | ||
| First built | 1952 | ||
| Last built | 0 | ?? | |
| Number built | 900 | 
 
                         
                                                     
                                     
                                         
                                         
                                         
                                         
                                         
                                        